Linux Basics

MyTop is one of the best MySQL monitoring tools available, written by a MySQL guru, Jeremy Zawodny. Its vital for monitoring your MySQL health, especially in a shared hosting environment. Installation on a CentOS (for cPanel) server is quite straight forward with this guide. First off, we need a few perl modules, cPanel’s realperlinstaller comes in handy, if you aren’t on …

How do I empty a directory (delete all files) under Linux / Unix without deleting directory itself? You can use the following commands: [a] rm command – Delete one or more files or directories. [b] find command – Find and delete all files from a specific directory. Linux Empty Directory Using the rm Command Consider the following directory structure: /tmp/ | |------foo/ |---file1 |---file2 …

Maybe the command line isn’t your favorite place to hang out, but to be an effective Linux admin, you need to be able to wield a few essential commands. These 10 are guaranteed to simplify your Linux admin life — and he explains why. I understand that many of you don’t want to use the command line in Linux (or …

How do I use yum command to update and patch my Red hat Enterprise Linux / CentOS Linux version 5.x server via RHN / Internet? Can I use up2date command under RHEL 5? up2date command was part of RHEL v4.x or older version. You need to use yum command to update and patch the system using RHN or Internet. Use yum command to …

Using Perl: # WARNING! For UNIX only! Do not use with ActivePerl in MSYS shell on Windows! # (Returns error message and file is deleted.) perl -pi -e 's/\r\n/\n/g' filename Using sh or bash: Works fine even in MSYS shell on Windows. #tr -d '\r' < original_filename > new_filename (Note that the “<” and “>” must be typed for this command to work). …

How do I restart nginx web server under Linux? To restart nginx web server use any one of the following command as a root user: # /etc/init.d/nginx restart However, recommed way is as follows which should work with any Linux distribution : # nginx -s reload OR # /usr/local/nginx/sbin/nginx -s reload Originally posted 2016-03-10 02:57:42.

How do I delete a file under Linux  operating system? To remove a file or directory in Linux use the rm command. rm command syntax rm (short for remove) is a Unix / Linux command which is used to delete files from a filesystem. Usually, on most filesystems, deleting a file requires write permission on the parent directory (and execute …